diff --git a/src/state.c b/src/state.c
index 77e45ba8f..82ae58d18 100644
--- a/src/state.c
+++ b/src/state.c
@@ -119,6 +119,7 @@ mrb_irep_free(mrb_state *mrb, mrb_irep *irep)
   }
   mrb_free(mrb, irep->pool);
   mrb_free(mrb, irep->syms);
+  mrb_free(mrb, irep->reps);
   mrb_free(mrb, (void *)irep->filename);
   mrb_free(mrb, irep->lines);
   mrb_debug_info_free(mrb, irep->debug_info);